The basketball coach at a small local college believes that his team plays better and scores more points in front of larger crow
ds. Find out the correlation, slope of regression line (b coefficient), intercept of regression for number of attendance and points scored. In this problem points scored is the dependent variable. Number of people attending the game is the independent variable. Distribution of points scored in each game and number of people attending the game Y X Game Points Scored Size of Attendance 1 54 378 2 57 350 3 59 320 4 80 478 5 82 451 6 75 250 7 73 489 8 53 451 9 67 410 10 78 215 11 67 113 12 56 250 13 85 450 14 101 489 15 99 472
12c=22 6c=11 c=1 5/6 20c=33 c= 1 13/20 5/6 is about .83 13/20 is .65 12 chocolate bars for $22 is about $1.83 each 20 chocolate bars for $33 is $1.65 each
The 20 chocolate bars for $33 dollars has a better unit rate and is a better buy.